MFSA-RESERVE-2025-1915280: Medium severity thunderbird vulnerability

Published Apr 29, 2025
·
Updated

An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate privileges.

Affected Software

2 affected componentsFixes available
Mozilla Thunderbird<138
138
Mozilla Firefox<138
138

Event History

Apr 29, 2025
CVE Published
via Mozilla·12:00 AM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of MFSA-RESERVE-2025-1915280?

The severity of MFSA-RESERVE-2025-1915280 is critical due to the potential for sensitive information leakage and privilege escalation.

2

How do I fix MFSA-RESERVE-2025-1915280?

To fix MFSA-RESERVE-2025-1915280, upgrade to the latest version of Firefox or Thunderbird beyond version 138.

3

Who is affected by MFSA-RESERVE-2025-1915280?

MFSA-RESERVE-2025-1915280 affects users of Mozilla Firefox and Thunderbird versions up to 138.

4

What type of attack is associated with MFSA-RESERVE-2025-1915280?

MFSA-RESERVE-2025-1915280 is associated with an attack that could exploit the UITour actor for privilege escalation.

5

Can MFSA-RESERVE-2025-1915280 lead to data breaches?

Yes, MFSA-RESERVE-2025-1915280 can lead to data breaches due to the potential leakage of sensitive information.

Contact

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